Plastic article or earthenware shaping or treating: apparatus – Means for molding powdered metal
Patent
1981-08-24
1982-12-07
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Means for molding powdered metal
425135, 425406, 425407, 432 19, 432 37, 75 05R, 266 81, 266 99, 266176, 419 30, 419 57, B30B 1100, B22F 700, B22F 312, B27D 700
Patent
active
043624847
ABSTRACT:
Hot briquetting apparatus for ferrous or non-ferrous particles has a furnace having upper and lower chambers. The particles are supplied to the lower chamber and leave the lower chamber through a discharge tube to enter a briquetting press. A passage is performed between the lower and upper chambers and sensing means sense the constituents of the gases in that passage. Control means control the air-to-fuel ratio of a zone of the lower chamber. The control means are connected to the output of the sensing means so as to maintain the atmosphere within the zone as a reducing atmosphere, the whole of the lower chamber being a reducing atmosphere.
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Ecobric Foundry Limited
Flint, Jr. J. Howard
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